APA (7th ed.) Citation

Johns, T. (1990). With bitter herbs they shall eat it: Chemical ecology and the origins of human diet and medicine. University of Arizona Press.

Chicago Style (17th ed.) Citation

Johns, Timothy. With Bitter Herbs They Shall Eat It: Chemical Ecology and the Origins of Human Diet and Medicine. Tucson: University of Arizona Press, 1990.

MLA (9th ed.) Citation

Johns, Timothy. With Bitter Herbs They Shall Eat It: Chemical Ecology and the Origins of Human Diet and Medicine. University of Arizona Press, 1990.